Spay

v. t.	1.	To remove or extirpate the ovaries of, as a sow or a bitch; to castrate (a female animal). [imp. & p. p. Spayed ; p. pr. & vb. n. Spaying.]
n.	1.	(Zool.) The male of the red deer in his third year; a spade.

Verb

1.

spay - remove the ovaries of; "Is your cat spayed?" Synonyms: neuter, castrate, alter

alter, castrate, defeminise, defeminize, desex, desexualise, desexualize, fix, neuter, spaying, sterilise, sterilize, unsex